Topsoe Holding A/S

Business address
Haldor Topsoe Alle 1, Kongens Lyngby, Denmark, 2800
Top holdings (ownership)
IGMS
State of incorporation
Denmark
Fiscal year end
31 December
Former names
Haldor Topsoe Holding A/S (to 16 Dec 2020)
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Topsoe Holding A/S has filed 10 SEC EDGAR filings since 17 Sep 2019

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13D/A Open Document Open Filing 18 Aug 2025
4 Open Document Open Filing 14 Aug 2025 14 Aug 2025 001-39045
SC 13D/A Open Document Open Filing SC 13D/A 19 Jul 2023
4 Open Document Open Filing FORM 4 SUBMISSION 28 Jun 2023 26 Jun 2023 001-39045
4 Open Document Open Filing FORM 4 SUBMISSION 05 Apr 2022 01 Apr 2022 001-39045
SC 13D/A Open Document Open Filing SC 13D/A (AMENDMENT NO. 1) 16 Dec 2020
4 Open Document Open Filing FORM 4 SUBMISSION 15 Dec 2020 11 Dec 2020 001-39045
SC 13D Open Document Open Filing SC 13D 30 Sep 2019
4 Open Document Open Filing FORM 4 SUBMISSION 20 Sep 2019 18 Sep 2019 001-39045
3 Open Document Open Filing FORM 3 SUBMISSION 17 Sep 2019 17 Sep 2019 001-39045